LUMBERMILL Meaning of LUMBERMILL in English lum ‧ ber ‧ mill /ˈlʌmbəmɪl $ -bər-/ BrE AmE noun [countable] American English a building where trees are cut up to make wood SYN sawmill British English Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012